expense
energy
Come learn 3000+ Chinese characters with HanziHero!
→fei4jin4 • fèijìn
strenuous
require great effort, need great effort, need effort, require effort
这 项 工作 太 费劲 了。
This job is too strenuous.
爬山 对 我 来 说 太 费劲 了。
Climbing mountains is too strenuous for me.
学习 中文 是 一 个 费劲 的 任务。
Learning Chinese is a strenuous task.